469 lines
14 KiB
JavaScript
469 lines
14 KiB
JavaScript
/*
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utils.js 工具类
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*/
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function utils() {
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}
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utils.prototype.init = function () {
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}
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////// 将文字中的${和}（表达式）进行替换 //////
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utils.prototype.replaceText = function (text) {
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return text.replace(/\${([^}]+)}/g, function (word, value) {
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return core.calValue(value);
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});
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}
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////// 计算表达式的值 //////
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utils.prototype.calValue = function (value) {
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value=value.replace(/status:([\w\d_]+)/g, "core.getStatus('$1')");
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value=value.replace(/item:([\w\d_]+)/g, "core.itemCount('$1')");
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value=value.replace(/flag:([\w\d_]+)/g, "core.getFlag('$1', 0)");
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return eval(value);
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}
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////// 字符串自动换行的分割 //////
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utils.prototype.splitLines = function(canvas, text, maxLength, font) {
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if (core.isset(font)) core.setFont(canvas, font);
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var contents = [];
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var last = 0;
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for (var i=0;i<text.length;i++) {
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if (text.charAt(i)=='\n') {
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contents.push(text.substring(last, i));
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last=i+1;
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}
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else if (text.charAt(i)=='\\' && text.charAt(i+1)=='n') {
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contents.push(text.substring(last, i));
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last=i+2;
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}
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else {
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var toAdd = text.substring(last, i+1);
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var width = core.canvas[canvas].measureText(toAdd).width;
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if (width>maxLength) {
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contents.push(text.substring(last, i));
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last=i;
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}
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}
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}
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contents.push(text.substring(last));
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return contents;
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}
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////// 向某个数组前插入另一个数组或元素 //////
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utils.prototype.unshift = function (a,b) {
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if (!(a instanceof Array) || !core.isset(b)) return;
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if (b instanceof Array) {
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core.clone(b).reverse().forEach(function (e) {
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a.unshift(e);
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});
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}
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else a.unshift(b);
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return a;
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}
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////// 设置本地存储 //////
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utils.prototype.setLocalStorage = function(key, value) {
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try {
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localStorage.setItem(core.firstData.name + "_" + key, JSON.stringify(value));
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return true;
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}
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catch (e) {
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console.log(e);
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return false;
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}
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}
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////// 获得本地存储 //////
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utils.prototype.getLocalStorage = function(key, defaultValue) {
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var value = localStorage.getItem(core.firstData.name+"_"+key);
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if (core.isset(value)) return JSON.parse(value);
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return defaultValue;
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}
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////// 移除本地存储 //////
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utils.prototype.removeLocalStorage = function (key) {
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localStorage.removeItem(core.firstData.name+"_"+key);
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}
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////// 深拷贝一个对象 //////
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utils.prototype.clone = function (data) {
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if (!core.isset(data)) return data;
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// date
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if (data instanceof Date) {
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var copy=new Date();
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copy.setTime(data.getTime());
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return copy;
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}
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// array
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if (data instanceof Array) {
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var copy=[];
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// for (var i=0;i<data.length;i++) {
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for (var i in data) {
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// copy.push(core.clone(data[i]));
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copy[i] = core.clone(data[i]);
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}
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return copy;
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}
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// 函数
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if (data instanceof Function) {
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return data;
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}
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// object
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if (data instanceof Object) {
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var copy={};
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for (var i in data) {
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if (data.hasOwnProperty(i))
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copy[i]=core.clone(data[i]);
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}
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return copy;
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}
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return data;
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}
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////// 格式化时间为字符串 //////
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utils.prototype.formatDate = function(date) {
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if (!core.isset(date)) return "";
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return date.getFullYear()+"-"+core.setTwoDigits(date.getMonth()+1)+"-"+core.setTwoDigits(date.getDate())+" "
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+core.setTwoDigits(date.getHours())+":"+core.setTwoDigits(date.getMinutes())+":"+core.setTwoDigits(date.getSeconds());
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}
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////// 格式化时间为最简字符串 //////
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utils.prototype.formatDate2 = function (date) {
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if (!core.isset(date)) return "";
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return date.getFullYear()+core.setTwoDigits(date.getMonth()+1)+core.setTwoDigits(date.getDate())
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+core.setTwoDigits(date.getHours())+core.setTwoDigits(date.getMinutes())+core.setTwoDigits(date.getSeconds());
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}
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////// 两位数显示 //////
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utils.prototype.setTwoDigits = function (x) {
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return parseInt(x)<10?"0"+x:x;
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}
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////// 数组转RGB //////
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utils.prototype.arrayToRGB = function (color) {
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var nowR = parseInt(color[0])||0, nowG = parseInt(color[1])||0, nowB = parseInt(color[2])||0;
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if (nowR<0) nowR=0; if (nowB<0) nowB=0;if (nowG<0) nowG=0;
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if (nowR>255) nowR=255; if (nowB>255) nowB=255; if (nowG>255) nowG=255;
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return "#"+((1<<24)+(nowR<<16)+(nowG<<8)+nowB).toString(16).slice(1);
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}
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////// 加密路线 //////
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utils.prototype.encodeRoute = function (route) {
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var ans="";
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var lastMove = "", cnt=0;
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route.forEach(function (t) {
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if (t=='up' || t=='down' || t=='left' || t=='right') {
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if (t!=lastMove && cnt>0) {
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ans+=lastMove.substring(0,1).toUpperCase();
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if (cnt>1) ans+=cnt;
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cnt=0;
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}
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lastMove=t;
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cnt++;
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}
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else {
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if (cnt>0) {
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ans+=lastMove.substring(0,1).toUpperCase();
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if (cnt>1) ans+=cnt;
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cnt=0;
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}
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if (t.indexOf('item:')==0)
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ans+="I"+t.substring(5)+":";
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else if (t.indexOf('fly:')==0)
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ans+="F"+t.substring(4)+":";
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else if (t.indexOf('choices:')==0)
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ans+="C"+t.substring(8);
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else if (t.indexOf('shop:')==0)
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ans+="S"+t.substring(5);
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else if (t=='turn')
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ans+='T';
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else if (t=='getNext')
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ans+='G';
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else if (t.indexOf('input:')==0)
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ans+="P"+t.substring(6);
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else if (t=='no')
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ans+='N';
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else if (t.indexOf('move:')==0)
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ans+="M"+t.substring(5);
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else if (t=='key:')
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ans+='K'+t.substring(4);
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}
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});
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if (cnt>0) {
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ans+=lastMove.substring(0,1).toUpperCase();
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if (cnt>1) ans+=cnt;
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}
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return ans;
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}
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////// 解密路线 //////
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utils.prototype.decodeRoute = function (route) {
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if (!core.isset(route)) return route;
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var ans=[], index=0;
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var getNumber = function (noparse) {
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var num="";
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while (index<route.length && !isNaN(route.charAt(index))) {
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num+=route.charAt(index++);
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}
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if (num.length==0) num="1";
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return core.isset(noparse)?num:parseInt(num);
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}
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var getString = function () {
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var str="";
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while (index<route.length && /\w/.test(route.charAt(index))) {
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str+=route.charAt(index++);
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}
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index++;
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return str;
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}
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while (index<route.length) {
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var c=route.charAt(index++);
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var nxt=(c=='I'||c=='F'||c=='S')?getString():getNumber();
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switch (c) {
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case "U": for (var i=0;i<nxt;i++) ans.push("up"); break;
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case "D": for (var i=0;i<nxt;i++) ans.push("down"); break;
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case "L": for (var i=0;i<nxt;i++) ans.push("left"); break;
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case "R": for (var i=0;i<nxt;i++) ans.push("right"); break;
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case "I": ans.push("item:"+nxt); break;
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case "F": ans.push("fly:"+nxt); break;
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case "C": ans.push("choices:"+nxt); break;
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case "S": ans.push("shop:"+nxt+":"+getNumber(true)); break;
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case "T": ans.push("turn"); break;
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case "G": ans.push("getNext"); break;
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case "P": ans.push("input:"+nxt); break;
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case "N": ans.push("no"); break;
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case "M": ++index; ans.push("move:"+nxt+":"+getNumber()); break;
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case "K": ans.push("key:"+nxt); break;
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}
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}
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return ans;
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}
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////// 判断某对象是否不为undefined也不会null //////
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utils.prototype.isset = function (val) {
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if (val == undefined || val == null || (typeof val=='number' && isNaN(val))) {
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return false;
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}
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return true
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}
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////// 读取一个本地文件内容 //////
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utils.prototype.readFile = function (success, error, readType) {
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// step 0: 不为http/https，直接不支持
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if (!core.platform.isOnline) {
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alert("离线状态下不支持文件读取！");
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if (core.isset(error)) error();
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return;
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}
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// Step 1: 如果不支持FileReader，直接不支持
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if (core.platform.fileReader==null) {
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alert("当前浏览器不支持FileReader！");
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if (core.isset(error)) error();
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return;
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}
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if (core.platform.fileInput==null) {
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core.platform.fileInput = document.createElement("input");
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core.platform.fileInput.style.display = 'none';
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core.platform.fileInput.type = 'file';
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core.platform.fileInput.onchange = function () {
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var files = core.platform.fileInput.files;
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if (files.length==0) {
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if (core.isset(core.platform.errorCallback))
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core.platform.errorCallback();
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return;
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}
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if(!readType)core.platform.fileReader.readAsText(core.platform.fileInput.files[0]);
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else core.platform.fileReader.readAsDataURL(core.platform.fileInput.files[0]);
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core.platform.fileInput.value = '';
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}
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}
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core.platform.successCallback = success;
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core.platform.errorCallback = error;
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core.platform.fileInput.click();
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}
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////// 下载文件到本地 //////
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utils.prototype.download = function (filename, content) {
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// Step 0: 不为http/https，直接不支持
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if (!core.platform.isOnline) {
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alert("离线状态下不支持下载操作！");
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return;
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}
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// Step 1: 如果是iOS平台，直接不支持
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if (core.platform.isIOS) {
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alert("iOS平台下不支持下载操作！");
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return;
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}
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// Step 2: 如果不是PC平台（Android），则只支持chrome
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if (!core.platform.isPC) {
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if (!core.platform.isChrome || core.platform.isQQ || core.platform.isWeChat) { // 检测chrome
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if (core.copy(content)) {
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alert("移动端只有Chrome浏览器支持直接下载文件！\n所有应下载内容已经复制到您的剪切板，请自行创建空白文件并粘贴。");
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}
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else {
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alert("该平台或浏览器暂不支持下载操作！");
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}
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return;
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}
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}
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// Step 3: 如果是Safari浏览器，则提示并打开新窗口
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if (core.platform.isSafari) {
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alert("你当前使用的是Safari浏览器，不支持直接下载文件。\n即将打开一个新窗口为应下载内容，请自行全选复制然后创建空白文件并粘贴。");
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var blob = new Blob([content], {type: 'text/plain;charset=utf-8'});
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var href = window.URL.createObjectURL(blob);
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var opened=window.open(href, "_blank");
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// if (!opened) window.location.href=href;
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window.URL.revokeObjectURL(href);
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return;
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}
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// Step 4: 下载
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var blob = new Blob([content], {type: 'text/plain;charset=utf-8'});
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if(window.navigator.msSaveOrOpenBlob) {
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window.navigator.msSaveBlob(blob, filename);
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}
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else {
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var href = window.URL.createObjectURL(blob);
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var elem = window.document.createElement('a');
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elem.href = href;
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elem.download = filename;
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document.body.appendChild(elem);
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elem.click();
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document.body.removeChild(elem);
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window.URL.revokeObjectURL(href);
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}
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}
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////// 复制一段内容到剪切板 //////
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utils.prototype.copy = function (data) {
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if (!core.platform.supportCopy) return false;
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var textArea = document.createElement("textarea");
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textArea.style.position = 'fixed';
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textArea.style.top = 0;
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textArea.style.left = 0;
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textArea.style.width = '2em';
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textArea.style.height = '2em';
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textArea.style.padding = 0;
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textArea.style.border = 'none';
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textArea.style.outline = 'none';
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textArea.style.boxShadow = 'none';
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textArea.style.background = 'transparent';
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textArea.value = data;
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document.body.appendChild(textArea);
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textArea.select();
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var successful = false;
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try {
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successful = document.execCommand('copy');
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} catch (err) {
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successful = false;
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}
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document.body.removeChild(textArea);
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return successful;
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}
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////// 动画显示某对象 //////
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utils.prototype.show = function (obj, speed, callback) {
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if (!core.isset(speed)) {
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obj.style.display = 'block';
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return;
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}
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obj.style.display = 'block';
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if (main.mode!='play'){
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obj.style.opacity = 1;
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if (core.isset(callback)) {callback();}
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return;
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}
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obj.style.opacity = 0;
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var opacityVal = 0;
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var showAnimate = window.setInterval(function () {
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opacityVal += 0.03;
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obj.style.opacity = opacityVal;
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if (opacityVal > 1) {
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clearInterval(showAnimate);
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if (core.isset(callback)) {
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callback();
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}
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}
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}, speed);
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}
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////// 动画使某对象消失 //////
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utils.prototype.hide = function (obj, speed, callback) {
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if (!core.isset(speed)) {
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obj.style.display = 'none';
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return;
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}
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if (main.mode!='play'){
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obj.style.display = 'none';
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if (core.isset(callback)) {callback();}
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return;
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}
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var opacityVal = 1;
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var hideAnimate = window.setInterval(function () {
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opacityVal -= 0.03;
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obj.style.opacity = opacityVal;
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if (opacityVal < 0) {
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obj.style.display = 'none';
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clearInterval(hideAnimate);
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if (core.isset(callback)) {
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callback();
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}
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}
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}, speed);
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}
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utils.prototype.http = function (type, url, formData, success, error, mimeType) {
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var xhr = new XMLHttpRequest();
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xhr.open(type, url, true);
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if (core.isset(mimeType))
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xhr.overrideMimeType(mimeType);
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xhr.onload = function(e) {
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if (xhr.status==200) {
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if (core.isset(success)) {
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success(xhr.response);
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}
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}
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else {
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if (core.isset(error))
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error("HTTP "+xhr.status);
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}
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};
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xhr.onabort = function () {
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if (core.isset(error))
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error("Abort");
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}
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xhr.ontimeout = function() {
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if (core.isset(error))
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error("Timeout");
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}
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xhr.onerror = function() {
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if (core.isset(error))
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error("Error on Connection");
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}
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if (core.isset(formData))
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xhr.send(formData);
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else xhr.send();
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}
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